Impact of tillage and crop establishment methods on rice yields in a rice-ratoon rice cropping system in Southwest China

Abstract Simplified cultivation methods for rice production offer considerable social, economic, and environmental benefits. However, limited information is available on yield components of rice grown using simplified cultivation methods in a rice-ratoon rice cropping system. A field experiment usin...

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Autores principales:	Peng Jiang, Fuxian Xu, Lin Zhang, Mao Liu, Hong Xiong, Xiaoyi Guo, Yongchuan Zhu, Xingbing Zhou
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/58587208773b472b898c5d2de984cdfa
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spelling	oai:doaj.org-article:58587208773b472b898c5d2de984cdfa2021-12-02T17:25:33ZImpact of tillage and crop establishment methods on rice yields in a rice-ratoon rice cropping system in Southwest China10.1038/s41598-021-98057-x2045-2322https://doaj.org/article/58587208773b472b898c5d2de984cdfa2021-09-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-98057-xhttps://doaj.org/toc/2045-2322Abstract Simplified cultivation methods for rice production offer considerable social, economic, and environmental benefits. However, limited information is available on yield components of rice grown using simplified cultivation methods in a rice-ratoon rice cropping system. A field experiment using two hybrid and two inbred rice cultivars was conducted to compare four cultivation methods (conventional tillage and transplanting, CTTP; conventional tillage and direct seeding, CTDS; no-tillage and transplanting, NTTP; no-tillage and direct seeding, NTDS) in a rice-ratoon rice system from 2017 to 2020. Main season yields for CTDS and NTDS were higher than for CTTP by 6.1% and 2.8%, respectively; whereas ratoon season yields for CTDS and NTDS were equal to or higher than for CTTP. Annual grain yields for CTDS and NTDS were higher than for CTTP by 4.4% and 3.2%, respectively. The higher CTDS and NTDS yields were associated with higher panicle numbers per m2 and biomass production. Rice hybrids had higher yields than inbred cultivars by 15.8–19.3% for main season and by 15.6–19.4% for ratoon season, which was attributed to long growth duration, high grain weight and biomass production. Our results suggest that CTTP can be replaced by CTDS and NTDS to maintain high grain yields and save labor costs. Developing cultivars with high grain weight could be a feasible approach to achieve high rice yields in the rice-ratoon rice cropping system in southwest China.Peng JiangFuxian XuLin ZhangMao LiuHong XiongXiaoyi GuoYongchuan ZhuXingbing ZhouNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Peng Jiang Fuxian Xu Lin Zhang Mao Liu Hong Xiong Xiaoyi Guo Yongchuan Zhu Xingbing Zhou Impact of tillage and crop establishment methods on rice yields in a rice-ratoon rice cropping system in Southwest China
description	Abstract Simplified cultivation methods for rice production offer considerable social, economic, and environmental benefits. However, limited information is available on yield components of rice grown using simplified cultivation methods in a rice-ratoon rice cropping system. A field experiment using two hybrid and two inbred rice cultivars was conducted to compare four cultivation methods (conventional tillage and transplanting, CTTP; conventional tillage and direct seeding, CTDS; no-tillage and transplanting, NTTP; no-tillage and direct seeding, NTDS) in a rice-ratoon rice system from 2017 to 2020. Main season yields for CTDS and NTDS were higher than for CTTP by 6.1% and 2.8%, respectively; whereas ratoon season yields for CTDS and NTDS were equal to or higher than for CTTP. Annual grain yields for CTDS and NTDS were higher than for CTTP by 4.4% and 3.2%, respectively. The higher CTDS and NTDS yields were associated with higher panicle numbers per m2 and biomass production. Rice hybrids had higher yields than inbred cultivars by 15.8–19.3% for main season and by 15.6–19.4% for ratoon season, which was attributed to long growth duration, high grain weight and biomass production. Our results suggest that CTTP can be replaced by CTDS and NTDS to maintain high grain yields and save labor costs. Developing cultivars with high grain weight could be a feasible approach to achieve high rice yields in the rice-ratoon rice cropping system in southwest China.
format	article
author	Peng Jiang Fuxian Xu Lin Zhang Mao Liu Hong Xiong Xiaoyi Guo Yongchuan Zhu Xingbing Zhou
author_facet	Peng Jiang Fuxian Xu Lin Zhang Mao Liu Hong Xiong Xiaoyi Guo Yongchuan Zhu Xingbing Zhou
author_sort	Peng Jiang
title	Impact of tillage and crop establishment methods on rice yields in a rice-ratoon rice cropping system in Southwest China
title_short	Impact of tillage and crop establishment methods on rice yields in a rice-ratoon rice cropping system in Southwest China
title_full	Impact of tillage and crop establishment methods on rice yields in a rice-ratoon rice cropping system in Southwest China
title_fullStr	Impact of tillage and crop establishment methods on rice yields in a rice-ratoon rice cropping system in Southwest China
title_full_unstemmed	Impact of tillage and crop establishment methods on rice yields in a rice-ratoon rice cropping system in Southwest China
title_sort	impact of tillage and crop establishment methods on rice yields in a rice-ratoon rice cropping system in southwest china
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/58587208773b472b898c5d2de984cdfa
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Impact of tillage and crop establishment methods on rice yields in a rice-ratoon rice cropping system in Southwest China

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